Whistler PRO-3450VM Optional Voice Module for Model PRO-3450<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Provides Real Voice alerts</li><li>Allows you to keep your eyes on the road while informing you of alerts</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AYw1t4pBL.jpg" noproxy>